交流传动电力机车新型辅助电源的研究

1,2,2,2(1.,310027;2.,412001):,,,,,,:;;:U264:AResearchonNovelAuxiliaryPowerSupplyofACDriveLocomotiveTONGLai2sheng1,2,LANZheng2sheng2,LIUHong2(1.SchoolofElectricalEngineering,ZhejiangUniversity,Hangzhou310027,Zhejiang,China;2.CSRZhuzhouElectricLocomotiveCo.,Ltd.,Zhuzhou412001,Hunan,China)Abstract:Developingprocessofauxiliarypowersupplyoflocomotivewithinverter2fedinductionmotorswasintroduced.Meritsanddrawbacksofconventionalauxiliarypowersupplieswereanalyzedandanewtypeofauxiliarypowersupplywasdesignedonthebasisofanalysisresults.Theoryanalysisandtechniqueofsimula2tionwereadoptedtogettheformuladescribingauxiliarysystemandtheprincipleofparametermatch.There2searchresultsarehelpfultodefinetheequipmentqualifications.Keywords:auxiliarypowersupply;ACdrive;locomotive:;:(1977-),,,,Email:[e-mail]1,,1,,[1]:1),,17.531kV,;2),,;3),;4),1Fig.1Auxiliarysystemoflocomotive2,,[2]51ELECTRICDRIVE2008Vol.38No.1220083812,270V10%,460V7%,,[3],,,,,,;,,,,,,,,44,,1,,dv/dtPWM,44224Fig.2Sketchofauxiliarypowerunitbyfour2quadrantconverter,,4,,,,,HXD1,3,,IGBT,,4;,;,,,3Fig.3Sketchofintergratedauxiliarysystem32,VVVF,;CVCF,VVVF(SPWM),3Ud/2,(SVPWM)Ud,[4],SVP2WMSVPWMuout,44SVPWMFig.4RelationshipofbasicvoltagespacevectorandoutputvoltagemodulatedwithSVPWMdx=kMsin(60-)(1)dy=kMsin(2)dz=1-dx-dy(3)6120083812,:,k=3umax/Udc,M,dx,dy,dz4,5,LC,(THD)5%,LC,6,:Ipm=Pm3UmN(4)Iqm=Qm3UmN(5)Ic=UmN2fNC3(6)Us={(Pm2fNL2UmN)2+[UmN+(PmsincosUmN-UmN2fNC)2fNL2]2}12(7):Ipm,Pm;Iqm,Qm;UmN;Us;fN;CYLC;L2k,Uinv=kUs(7)UmN,UinvL2,C,5Fig.5IntergratedauxiliarysystemcircuitLC,,,[5]RLC6Fig.6Steadystatevectorsofauxiliarypowerunit,1)feLC,,,,10[6],IGBT,780Hz;,,THD2),;,,LC[7]Zn=1-n2(2fN)2L1C12nfNC1(8)THDILC:THDI=n=2Un3Zn2I1(9):Unn;I1;L1;THDIIGBT3),51600V,440V,60Hz,/Y3,130kVA,0.9,L17L1,THDITHDV71,:20083812THDI(8)(9)LCfe=1/(2LC),L1,fe,,THDVL12mH,L1,fe225Hz,THDV5%,,THDI26.4%IGBTL12mH,0.686mH,C750F(7)883V,81289,1011,127C=750F,L1Fig.7ParametersvarieswithL1changing,C=750F8Fig.8Theoutputvoltagewaveformofauxiliaryinverter9Fig.9Theoutputcurrentwaveformofauxiliaryinverter10VLoadFig.10TheVLoadaftervariablevoltagefilter11ILoadFig.11TheILoadaftervariablevoltagefilter12Fig.12Thecurrentwaveformofcapacitor6,,4,,THDIL1,THDVfe,C,,,[1].[J].,2002,43(3):4-7.[2].[J].,2002,25(3):15-18.[3],.SS3B[J].,2005(1):19-24.[4].SVPWM[D].:,2002.[5],.RLC[J].,2002,6(3):256-260.[6]JuergenKSteinke.UseofanLCFiltertoAchieveaMotor2friendlyPerformanceofthePWMVoltageSourceInverter[J].IEEETransactionsonEnergyConversion,1999,14(3):649-654.[7],,.PWMLC[J].,2003,43(3):345-349.[8],.[J].,2006,10(4):43-47.:2007212219:20082072158120083812,: